"Harry, just let the kid sleep here," groaned Ginny, rubbing her eyes. She was tired enough to not notice that her husband made a sudden appearance in the middle of the night, which would have rung bells in her mind, but not when it was so addled with exhaustion.

Or: Harry finds that his kids like to torture him by waking him up in the middle of the night.

"Harry, just let the kid sleep here," groaned Ginny, rubbing her eyes. She was tired enough to not notice that her husband made a sudden appearance in the middle of the night, which would have rung bells in her mind, but not when it was so addled with exhaustion.